CN214468973U

CN214468973U - All-air integrated air conditioner

Info

Publication number: CN214468973U
Application number: CN202022382253.3U
Authority: CN
Inventors: 姚永明; 赵大友
Original assignee: Jiangsu Gaoke Applied Science Research Institute Co ltd
Current assignee: Jiangsu Gaoke Applied Science Research Institute Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-10-22
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a full air integral type air conditioner. The air supply section is internally provided with a fresh air channel, an air return channel and a mixing channel communicated with the air outlet side of the fresh air channel and the air return channel, the fresh air channel and the air return channel are respectively internally provided with a first evaporator and a second evaporator, and the air exhaust section is internally provided with a first condenser, a second condenser and an exhaust fan. The utility model discloses simple to operate adopts two independent cooling circuit, handles the temperature and the humidity of air respectively, realizes air treatment's temperature and humidity branch accuse, can open through opening of compressor and stop and the nimble air-out temperature of adjusting of frequency conversion, need not reheat, the cold and hot of no traditional unit is offset, the efficiency of unit has been improved greatly, can ensure to satisfy the humiture requirement of air supply simultaneously, can realize partial new trend operation, full return air operation and full new trend operation, under three kinds of operating mode operating modes, be temperature and humidity branch accuse mode.

Description

All-air integrated air conditioner

Technical Field

The utility model relates to an air conditioning technology field, concretely relates to full air integral type air conditioner.

Background

In the field of application of air conditioning equipment, a traditional air conditioner is subjected to temperature and humidity binding treatment, and the temperature and the humidity are difficult to ensure simultaneously for a comfortable air conditioner; the working principle is simple, that is, fresh air and return air are mixed and then pass through an evaporator or a surface cooler, as the temperature of the evaporator or the surface cooler is lower than the dew point temperature of the mixed air, water vapor in the air is condensed and separated out, the moisture content of the air is reduced and the temperature is reduced at the same time, in order to prevent the over-low temperature and the dewing of an air conditioning space and the requirement of relative humidity control, the low-temperature humid air after being cooled and dehumidified by the evaporator or the surface cooler needs to be reheated to the required air supply temperature by a condenser or other heat sources to reduce the relative humidity, and finally the air is sent to an air conditioning processing space by a blower; due to the principle drawbacks of overcooling and reheating, a great waste of energy is created.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an all-air integral type air conditioner to the not enough of prior art existence.

In order to achieve the purpose, the utility model provides an all-air integrated air conditioner, which comprises a frame, the frame comprises an air supply section and an air exhaust section which is isolated from the air supply section, the air supply section is internally divided by a first clapboard and a second clapboard to form a fresh air channel, a return air channel and a mixing channel which communicates the fresh air channel with the air outlet side of the return air channel, the fresh air channel and the return air channel are respectively provided with a first fresh air inlet and a return air inlet, the fresh air channel and the return air channel are respectively provided with a first evaporator and a second evaporator, the mixing channel is provided with an air supply outlet and is internally provided with a blower, the air exhaust section is provided with a second fresh air inlet and an air exhaust outlet, the air exhaust section is internally provided with a first condenser, a second condenser and an exhaust fan, the first evaporator and the first condenser are connected with a first compressor and a first expansion valve to form a first direct expansion system, and the second evaporator and the second condenser are connected with a second compressor and a second expansion valve to form a second direct expansion system.

Furthermore, a bypass air valve is arranged on the first partition plate and arranged on the front sides of the first evaporator and the second evaporator.

Furthermore, the first evaporator and the first condenser are respectively connected with the first compressor through a first four-way reversing valve, and the second evaporator and the second condenser are respectively connected with the second compressor through a second four-way reversing valve.

Furthermore, the fresh air channel and the return air channel are arranged up and down or left and right.

Further, the first compressor and the second compressor comprise a fixed-frequency compressor and a variable-capacity compressor; the air feeder and the exhaust fan are respectively one of a fixed-frequency fan, a variable-frequency fan and a speed-regulating fan.

Further, the bypass air valve comprises a manual air valve, an electric switching air valve and an electric analog air valve.

Furthermore, an air filter is arranged in the air supply section.

Furthermore, air cleaner includes the primary filter, well effect filter and the electrostatic filter that set gradually along the air current direction.

Furthermore, the air outlet is arranged on the top side of the air exhaust section, the first fresh air inlet and the return air inlet are oppositely arranged on two sides of the air supply section, and the air supply outlet is arranged on one side, far away from the air exhaust section, of the air supply section.

Furthermore, the first condenser and the second condenser are arranged in parallel in a V shape in the exhaust section.

Has the advantages that: firstly, the method comprises the following steps: the utility model discloses a from taking the cold source, for compressing the whole air conditioning unit of integral type that the air-cooled condenser and the direct evaporimeter of refrigerant inflation formula form a complete set and constitute, including air supply section and the section of airing exhaust, need not cooling water and refrigerating water system, saved cooling tower, cooling water pump, refrigerating water pump and corresponding pipeline, simple to operate.

Secondly, the method comprises the following steps: the utility model adopts two independent cooling loops, which can operate simultaneously or independently respectively, and respectively process the temperature and the humidity of the air, and realize the temperature and humidity control of the air processing in one unit; because the temperature and humidity are separately controlled, part of return air does not need to be processed to the dew point temperature, so that the air outlet temperature can be flexibly adjusted by starting and stopping the compressor and carrying out frequency conversion without reheating, the cold and heat offset of the traditional unit is avoided, the energy efficiency of the unit is greatly improved, and meanwhile, the temperature and humidity requirements of air supply can be met.

Thirdly, the method comprises the following steps: the utility model discloses can realize the operation of partial new trend, the not suitable adoption of external new trend or do not need the new trend to return the wind operation all the time, but the full new trend operation in transition season, under three kinds of operating mode operating modes, be temperature and humidity branch accuse mode.

Drawings

Fig. 1 is a schematic structural diagram of an all-air integrated air conditioner according to an embodiment of the present invention;

fig. 2 is a top view of fig. 1.

Detailed Description

The present invention will be further clarified by the following embodiments with reference to the attached drawings, which are implemented on the premise of the technical solution of the present invention, and it should be understood that these embodiments are only used for illustrating the present invention and are not used for limiting the scope of the present invention.

As shown in fig. 1-2, the embodiment of the utility model provides an all-air integrated air conditioner, including frame 1, frame 1 includes air supply section and the section of airing exhaust, keeps apart the setting between air supply section and the section of airing exhaust for air supply and each other do not influence with airing exhaust. The air supply section is internally divided by a first partition plate 18 and a second partition plate 19 to form a fresh air channel, a return air channel and a mixing channel which communicates the fresh air channel with the air outlet side of the return air channel, the fresh air channel and the return air channel are respectively provided with a first fresh air inlet 14 and a return air inlet 15, the fresh air channel and the return air channel are respectively internally provided with a first evaporator 4 and a second evaporator 8, and the first evaporator 4 and the second evaporator 8 are preferably arranged on the second partition plate 19. An air supply outlet 13 is arranged on the mixing channel, an air supply machine 6 is arranged in the mixing channel, a second fresh air inlet 17 and an air exhaust outlet 16 are arranged on an air exhaust section, a first condenser 3, a second condenser 11 and an air exhaust machine 12 are arranged in the air exhaust section, a first evaporator 4 and the first condenser 3 are connected with a first compressor 2 and a first expansion valve 5 to form a first direct expansion system, and a second evaporator 8 and the second condenser 11 are connected with a second compressor 7 and a second expansion valve 9 to form a second direct expansion system.

The first partition 18 is provided with a bypass damper 10, and the bypass damper 10 is provided in front of the first evaporator 4 and the second evaporator 8. When the bypass air valve 10 is opened, part of return air can be introduced into the fresh air channel, the air volume passing through the first evaporator 4 and the second evaporator 8 can be adjusted to be a rated design value by adjusting the opening degree of the bypass air valve 10, the air volume passing through the first evaporator 4 is responsible for part of heat load and all of humidity load, and the air volume passing through the second evaporator 8 is responsible for the rest of heat load.

It should be noted that, the first direct expansion system and the second direct expansion system only have a refrigeration working condition, in order to meet the use requirement in winter, the first evaporator 4 and the first condenser 3 may be connected to the first compressor 2 through the first four-way reversing valve, the second evaporator 8 and the second condenser 11 may be connected to the second compressor 7 through the second four-way reversing valve, and the flow direction of the refrigerant may be switched by controlling the first four-way reversing valve and the second four-way reversing valve, so that the first direct expansion system and the second direct expansion system have a heat pump working condition. In order to meet the humidity regulation requirement under the working condition of the heat pump in winter, a humidifier can be arranged in the air supply section, and the humidifier is preferably arranged on the front side of the air supply machine 6.

The utility model discloses new trend passageway and return air passageway can set up from top to bottom, also can control the setting. The first compressor 2 and the second compressor 7 may be fixed frequency compressors or variable capacity compressors. The blower 6 and the exhaust fan 12 are respectively one of a fixed frequency fan, a variable frequency fan and a speed-regulating fan. The bypass damper 10 may be any one of a manual damper, an electric switching damper and an electric analog damper. In order to improve the quality of the air supply, an air filter is provided in the air supply section, preferably in front of the first evaporator 4. The preferred air filter includes a primary filter, a secondary filter and an electrostatic filter arranged in sequence along the direction of the air flow. The exhaust port 16 is preferably arranged on the top side of the exhaust section, the first fresh air port 14 and the return air port 15 are preferably arranged on the two sides of the air supply section oppositely, and the air supply port 13 is preferably arranged on the side of the air supply section far away from the exhaust section. The first condenser 3 and the second condenser 11 are preferably arranged in parallel in a V-shape in the exhaust section.

The utility model discloses when the operation, fresh air channel mainly carries out humidity treatment to the air, and the return air passageway mainly carries out temperature treatment to the air, realizes the temperature and humidity branch accuse of air treatment in a unit, and its theory of operation specifically as follows:

in the air supply section, fresh air passes through a first fresh air port 14 and then is mixed with part of return air passing through the bypass air valve 10; then, cooling treatment is carried out through the first evaporator 4, the temperature of the treated mixed air is reduced, and the absolute moisture content is reduced; then, the air is mixed with the air treated by the second evaporator 8 in the return air passage in the mixing passage, and is sent out to the air-conditioned space from the air outlet 13 through the blower 6. The return air is divided into two paths after passing through a return air inlet 15, and part of the return air enters a fresh air channel through a bypass air valve 10 and is mixed with the fresh air entering through a first fresh air inlet 14; part of return air is cooled by the second evaporator 8, the temperature of the return air after treatment is reduced, and the absolute moisture content is unchanged; then, the air is mixed with the air treated by the first evaporator 4 in the mixing passage, and is sent out to the air-conditioned space from the air outlet 13 via the blower 6.

In the air exhaust section, fresh air enters through a second fresh air inlet 17 and exchanges heat through the first condenser 3 and the second condenser 11, and the temperature of the air after heat exchange is increased without changing the absolute moisture content; and finally out through exhaust fan 12 to the outdoor environment through exhaust outlet 16.

The first direct expansion system is used for processing the mixed air of the fresh air in the fresh air channel after passing through the first fresh air port 14 and part of return air passing through the bypass air valve 10, and the processing process is as follows: the first compressor 2 is started, the refrigerant is compressed by the first compressor 2 and then becomes high-temperature high-pressure steam to enter the first condenser 3, heat is released to exhaust air, the refrigerant becomes high-pressure liquid, the refrigerant is throttled and reduced in pressure by the first expansion valve 5 and then enters the first evaporator 4 to absorb heat in the mixed air, the refrigerant becomes low-pressure gas and then returns to the first compressor 2, and the refrigeration cycle is completed. The refrigerant absorbs the heat in the mixed air in the first evaporator 4, and the temperature of the mixed air is reduced to be lower than the dew point temperature of the air, so that the moisture in the mixed air is condensed and separated out, and the purposes of cooling and dehumidifying the mixed air are achieved.

The second direct expansion system is used for processing partial return air in the return air channel, and the processing process is as follows: the second compressor 7 is started, the refrigerant is compressed by the second compressor 7 and then becomes high-temperature high-pressure steam to enter the second condenser 11, heat is released to exhaust air, the refrigerant becomes high-pressure liquid, the refrigerant is throttled and reduced in pressure by the second expansion valve 9 and then enters the second evaporator 8 to absorb part of heat in return air, the refrigerant becomes low-pressure gas and then returns to the second compressor 7, and the refrigeration cycle is completed. The refrigerant absorbs the heat in part of the return air in the second evaporator 8, and the temperature of the part of the return air is reduced but is higher than the dew point temperature of the air, so that the moisture in the part of the return air is not condensed and separated out, and the part of the return air only achieves the purpose of reducing the temperature.

The unit adjusts the air volume passing through the first evaporator 4 and the second evaporator 8 to be a rated design value by controlling the bypass air valve 10, the air volume passing through the first evaporator 4 is responsible for partial heat load and all wet load, and the air volume passing through the second evaporator 8 is responsible for the rest part of heat load. In summer, the outdoor high temperature and high humidity are realized, the minimum fresh air volume is operated from the energy-saving control angle, when the fresh air volume is small, the opening degree of the bypass air valve 10 is adjusted, and partial return air is mixed with fresh air through the bypass air valve 10 and then is cooled and dehumidified through the first evaporator 4. When the fresh air volume and the return air volume are in rated design air volume, the bypass air valve is closed, the fresh air passes through the first evaporator 4, and the return air passes through the second evaporator 8; when the outside fresh air is polluted or viruses are not suitable for taking, the unit is operated by full return air, the internal bypass air valve 10 is opened, part of the return air passes through the bypass air valve 10 and then is cooled and dehumidified by the first evaporator 4 to bear all the moisture load, and part of the return air passes through the second evaporator 8 to be adjusted in temperature and then is mixed with the processing air passing through the first evaporator 4. In transition seasons, when the outside new trend humiture is suitable, the unit can be moved by the full new trend, inside bypass air valve 10 is opened, and partial new trend is cooled down and dehumidified through first evaporimeter 4, undertakes whole wet load, and partial new trend passes through the bypass air valve and then adjusts temperature through second evaporimeter 8, is sent to the air conditioning room by the forced draught blower after the wind through first evaporimeter 4 and second evaporimeter 8 mixes. The second compressor 7 adjusts energy according to the supply air temperature and the return air temperature detected by the unit, and meets the temperature processing requirement of the unit by starting and stopping or frequency conversion.

The above description is only a preferred embodiment of the present invention, and it should be noted that other parts not specifically described belong to the prior art or the common general knowledge to those skilled in the art. Without departing from the principle of the present invention, several improvements and decorations can be made, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an all-air integral type air conditioner, its characterized in that, includes the frame, the frame includes air supply section and the section of airing exhaust of keeping apart the setting with the air supply section, separate by first baffle and second baffle in the air supply section and form new trend passageway, return air passageway and with the mixed passage of the air-out side intercommunication of new trend passageway and return air passageway, be equipped with first new wind gap and return air inlet on new trend passageway and the return air passageway respectively, be equipped with first evaporimeter and second evaporimeter in new trend passageway and the return air passageway respectively, be equipped with the supply-air outlet on the mixed passage, and its inside forced draught blower that is equipped with, be equipped with second new wind gap and air exit on the section of airing exhaust, be equipped with first condenser, second condenser and exhaust fan in the section of airing exhaust, first evaporimeter and first condenser are connected with first compressor and first expansion valve and are formed first direct expansion system, second evaporimeter and second condenser are connected with second compressor and second expansion valve and are formed second direct expansion system .

2. The all-air integrated air conditioner according to claim 1, wherein a bypass damper is provided on the first partition, and the bypass damper is provided at a front side of the first evaporator and the second evaporator.

3. The all-air integrated air conditioner according to claim 1, wherein the first evaporator and the first condenser are respectively connected to the first compressor through a first four-way reversing valve, and the second evaporator and the second condenser are respectively connected to the second compressor through a second four-way reversing valve.

4. The all-air integrated air conditioner according to claim 1, wherein the fresh air channel and the return air channel are disposed up and down or left and right.

5. The all-air integrated air conditioner according to claim 1, wherein the first and second compressors include a fixed frequency compressor and a variable capacity compressor; the air feeder and the exhaust fan are respectively one of a fixed-frequency fan, a variable-frequency fan and a speed-regulating fan.

6. The all-air integrated air conditioner according to claim 2, wherein the bypass damper includes a manual damper, an electric switching quantity damper and an electric analog quantity damper.

7. The all-air integrated air conditioner according to claim 1, wherein an air filter is provided in the blowing section.

8. The all-air integrated air conditioner according to claim 7, wherein the air filter includes a primary filter, a secondary filter and an electrostatic filter which are sequentially arranged in an air flow direction.

9. The all-air integrated air conditioner according to claim 1, wherein the air outlet is provided at a top side of the air exhaust section, the first fresh air inlet and the return air inlet are oppositely provided at both sides of the air supply section, and the air supply outlet is provided at a side of the air supply section away from the air exhaust section.

10. The all-air integrated air conditioner according to claim 1, wherein the first condenser and the second condenser are juxtaposed in a V-shape in the discharge section.